how to draw a line exactly in the middle of a polygon

Discussion created by mail2vajram on May 19, 2010
Latest reply on May 27, 2010 by ddurgaprasad
I have a river polygon class and a empty polyline class i want to draw a polyline   between the two edges of the river polygon and add to polyline class.

Any body can give me the sugestions to do this,,,

Thank you